Trail Running Calendar Washington 2025-2026

Cascade Crest is a renowned 100-mile trail running event held in Easton, Washington, known for its challenging terrain and scenic beauty. Participants can expect over 23,000 feet of elevation gain, including sections on the Pacific Crest Trail and a unique run through the 2.3-mile Snoqualmie Tunnel...

The Mount Rainier Half Marathon & Trail Events will take place on July 18-19, 2025, at Crystal Mountain Resort in Enumclaw, Washington. This scenic race offers participants a chance to experience the breathtaking beauty of the Cascade Range, featuring a mix of towering forests, alpine meadows, and s..

The Summer Eddy Trail Run is part of the Tuesday Night Trail to Grill series, taking place at St. Edward State Park in Kenmore, WA. Participants can choose between two distances: 4 miles and 8 miles.The event features a mix of wide trails and twisting single tracks, providing a fun and engaging runn..

The Dirt Circus - Seattle will take place in Downtown Seattle on Wednesday 23 July 2025.

Camp Lug-a-Chug is a unique volunteer event held at Marble Mountain Sno Park, where participants hike water to remote aid stations for an upcoming race. This fun and physically engaging activity involves carrying water uphill, with a friendly competition for the heaviest load relative to body weight..

The Hamster Endurance Runs is a unique running event featuring 6, 12, 24, and 32-hour races, held at Lake Padden. Established in 2013, the event promotes community engagement while raising funds for local organizations, such as the Whatcom Family YMCA's Girls on The Run Program. Participants run on..

The Beast of Big Creek is an exhilarating mountain running event set in the stunning Olympic Mountains of Washington. Participants can choose between two race distances: a challenging 22K (14 miles) Skyrace, which features over 5,200 feet of elevation gain to the summit of Mount Ellinor, and a short..

The Volcanic 50 is a challenging running event held around Mt. St. Helens in Washington state, featuring both a 50K and a 25K race.The rugged 50K course, primarily on the Loowit Trail, includes significant elevation changes, boulder fields, river crossings, and stunning views, making it feel more li..

The Bigfoot Endurance Runs, part of the renowned Triple Crown of 200-mile races in the United States, includes the Bigfoot 200, Tahoe 200, and Moab 240. Set in the stunning Cascade Mountains of Washington, the Bigfoot 200 features a challenging 207.9-mile course that circumnavigates iconic peaks suc..

Race the Reserve Whidbey Island is a scenic running event taking place in Coupeville, Washington, on Whidbey Island. Participants can choose from various distances, including a 5k, 10k, half marathon, and a virtual race option. The course offers breathtaking views as runners traverse Ebey's Prairie..

The Cougar Mountain Trail Run Series #4 is set to take place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, WA. This event features three race distances: 5k, 14.5 miles, and 26.2 miles, catering to a variety of trail running enthusiasts. The series has a str..

The Larrabee Lakes event, scheduled for August 9, 2025, in Bellingham, WA, features a variety of trail running distances: 12K, 25K, and 50K, along with a Kid's Run. Participants will enjoy scenic trails through lush forests and picturesque lakes, with unique geological views from ridgelines. The rac..

The Olympic Mountains Trail Races, organized by Mountain Peaks Racing, will take place on August 16-17, 2025, in the stunning Olympic National Forest. This event features three challenging race distances: a 100K, 50K, and 25K, each showcasing the breathtaking scenery and rugged terrain of the Olympi..

Twilight at the Bay is an exciting running event taking place at Chambers Bay in University Place, Washington. Participants can choose from three race options: a half marathon, a 10k, and a 5k, each offering a unique experience on a beautifully paved loop trail with stunning views of the bay. The co..

The Paradise Valley Trail Run, organized by Northwest Trail Runs, offers a scenic running experience in the Paradise Valley Conservation Area, Woodinville, WA. Scheduled for August 23, 2025, participants can choose from three distances: 5k, 10k, and a Half Marathon. The trails feature a mix of wide..

The Dark Divide Trail Races, scheduled for September 5-7, 2025, offer an exhilarating experience in the stunning landscapes of the Dark Divide Roadless Area in Washington. Participants can choose from four race distances: the challenging 100 Miler, the newly introduced 100K, a 50K, and a 15 Mile Fun..

The Mt. Spokane Trail Run is a scenic running event taking place at Mt. Spokane State Park, featuring multiple race distances including 5K, 10K, and 25K.Scheduled for September 5-14, 2025, the event starts and finishes at Selkirk Lodge, providing participants with a beautiful backdrop of Spokane's h..

The Sole Survivor Backyard Ultra, taking place in Richland, WA, is a unique endurance running event inspired by the "Big's Backyard Ultra." Participants run a 4.16-mile loop every hour until only one runner remains. This challenging format emphasizes mental toughness over speed, as competitors must..

The Goat Rocks Stage is a thrilling 50-mile, two-day running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams.This challenging stage run is designed for experienced runners, featuring rugged terrain, narrow ridgelines, and breathtaking views of ancient volca..

The Cascade Express Marathon & Half Marathon, scheduled for September 6, 2025, in North Bend, WA, features two scenic races: a 26.2-mile marathon and a 13.1-mile half marathon. Both courses are renowned for their fast, downhill routes, making them ideal for achieving personal records or qualifying f..